entity *ent; /* represents this method as entity of owner */
ir_node *x, *x_then, *arg1, *c2, *c10, *cmpGt, *cmpLt, *and, *f, *t, *b;
- printf("creating an IR graph: COND_EXAMPLE...\n");
+ printf("\nCreating an IR graph: COND_EXAMPLE...\n");
/* init library */
init_firm ();
irg = new_ir_graph (ent, NUM_OF_LOCAL_VARS);
/* get the first argument a of method main - see irgraph.h */
- arg1 = new_Proj(irg->args, mode_i, 0);
+ arg1 = new_Proj(get_irg_args(irg), mode_i, 0);
/* arg1 as first first local variable - makes things simple */
set_value(0, arg1);
f = new_Proj (x, mode_X, 0); /* if condition is false */
t = new_Proj (x, mode_X, 1); /* if condition is true */
- mature_block (irg->current_block);
+ mature_block (get_irg_current_block(irg));
/* generate and fill the then block */
- b = new_Block ();
+ b = new_immBlock ();
add_in_edge (b, t);
set_value (0, new_Const (mode_i, tarval_from_long (mode_i, 1)));
mature_block (b);
x_then = new_Jmp ();
/* generate the fall through block and add all cfg edges */
- b = new_Block ();
+ b = new_immBlock ();
add_in_edge (b, x_then);
add_in_edge (b, f);
}
/* Now generate all instructions for this block and all its predecessor blocks
* so we can mature it. */
- mature_block (irg->current_block);
+ mature_block (get_irg_current_block(irg));
/* This adds the in edge of the end block which originates at the
return statement. The return node passes controlflow to the end block.*/
- add_in_edge (irg->end_block, x);
+ add_in_edge (get_irg_end_block(irg), x);
/* Now we can mature the end block as all it's predecessors are known. */
- mature_block (irg->end_block);
+ mature_block (get_irg_end_block(irg));
-
- printf("\nDone building the graph. Dumping it.\n");
+ printf("Optimizing ...\n");
+ dead_node_elimination(irg);
/* verify the graph */
irg_vrfy(irg);
- dead_node_elimination(irg);
-
+ printf("Done building the graph. Dumping it.\n");
dump_ir_block_graph (irg);
-
- printf("use xvcg to view this graph:\n");
- printf("/ben/goetz/bin/xvcg GRAPHNAME\n");
+ printf("Use xvcg to view this graph:\n");
+ printf("/ben/goetz/bin/xvcg GRAPHNAME\n\n");
return (0);
}